| Family | POLYGONACEAE |
| Genus species | Koenigia davisiae (W.H.Brewer) T.M.Schuster & Reveal |
| Synonyms | Aconogonon davisiae (W.H.Brewer) Soják |
| Polygonum davisiae W.H.Brewer | |
| Polygonum newberryi Small | |
| Habitat | rocky slopes |
| Altitude | 1200-3100m |
| Description | leaves petiolate, oblong-ovate to ovate, subcoriaceous, entire, glabrous, inflorescence axillary, racemose, flowers 1-4 per ocreate fascicle, anthers yellow or pink |
| Size | 15-40cm |
| Color | greenish, pinkish white |
| Bloom | summer, autumn |
| Ca | |
| Type | subshrub |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, germ. 1-3 months, 13-18°C cuttings in late spring and late summer |
| Territory |
Northern America
Northwestern U.S.A. (Idaho , Oregon , Washington ) Southwestern U.S.A. (California) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | POLYGONACEAE
|